<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		你好
		<input type="button" value="返回" onclick="goBack()">
		<script>
			function goBack() {
				history.back();
			}
		</script>
	</body>
</html>
